Energy in Ecosystems

Front

What is a producer?

Back

An organism that uses the sun's energy to make its own food.

Front

What trophic level do yellowfin tuna occupy in a food chain?

Back

Secondary consumer.

Front

How much energy is typically passed from one organism to the next in a food chain?

Back

10%.

Front

True or False: Energy is stored in ATP.

Back

True.

Front

What happens to the frog population if the eagle becomes extinct?

Back

The frog population would increase.

Front

Define a consumer in an ecosystem.

Back

An organism that obtains energy by consuming other organisms.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the environment.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.